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Finding the Fourth Proportional to 5,308.88, 7,969.47 and 2,848.51

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Solution

The fourth proportional to 5,308.88, 7,969.47 and 2,848.51 is: 4,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.88 : 7,969.47 = 2,848.51 : x
  2. Step 2: Convert to fraction form
    5,308.88/7,969.47 = 2,848.51/x
  3. Step 3: Cross multiply
    5,308.88x = 7,969.47 × 2,848.51
  4. Step 4: Simplify right side
    5,308.88x = 22,701,114.99
  5. Step 5: Solve for x
    x = 22,701,114.99/5,308.88
  6. Step 6: Final answer
    x = 4,276.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.